.300-.400" Small Hole Full-Ball Gauge

The Starrett 829 Small Hole Gage is a full-ball gage that is used for general work. .300-.400" (7.6-10.2mm) Range, 3 3/8" (85mm) Length.

Features:

• Ideal for accurately measuring small holes, slots, grooves, and recesses
• Precision ground radius on each gage provides two-point contact for maximum accuracy
• Used for general work
• Well balanced
• More accurate measurements
• Hardened-ball measuring surface with two-point contact
• Full-ball gages
• Smooth, sensitive adjustment
• Adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage